Home / 17,223.72-25,878.84-10,986.60

Finding the Fourth Proportional to 17,223.72, 25,878.84 and 10,986.60

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Solution

The fourth proportional to 17,223.72, 25,878.84 and 10,986.60 is: 16,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,223.72 : 25,878.84 = 10,986.60 : x
  2. Step 2: Convert to fraction form
    17,223.72/25,878.84 = 10,986.60/x
  3. Step 3: Cross multiply
    17,223.72x = 25,878.84 × 10,986.60
  4. Step 4: Simplify right side
    17,223.72x = 284,320,463.54
  5. Step 5: Solve for x
    x = 284,320,463.54/17,223.72
  6. Step 6: Final answer
    x = 16,507.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.